⚡ Vine Antennas RST-ATU Mini Automatic Antenna Tuner

🔹 Overview

The Vine Antennas RST-ATU is a compact, intelligent automatic antenna tuner designed to provide seamless impedance matching across the 1.8–55 MHz frequency range. Built with a robust aluminium alloy housing and featuring a 0.96-inch OLED display, this tuner offers both durability and precision in one sleek, portable package.

Perfect for amateur radio operators, field deployments, and portable QRP setups, the RST-ATU automatically tunes without any control cables — simply connect it between your transceiver and antenna, and it does the rest ⚙️.

⚙️ Key Features

• ✅ Automatic Tuning – Tunes automatically from 1.8 MHz to 55 MHz with no control cables required.
• ✅ OLED Display – Bright 0.96-inch screen provides real-time tuning and status information 📺.
• ✅ USB Type-C Charging – Built-in Type-C charging port for easy recharging and firmware updates.
• ✅ High-Quality Build – Rugged aluminium alloy housing offers excellent corrosion resistance and strength 💪.
• ✅ Reliable Components – Uses 1000V high-voltage SMD capacitors and advanced PIC microcontroller design for stable operation.
• ✅ Up to 100W Operation – Handles transmit power up to 100 watts with fast tuning response.
• ✅ Accurate Power Measurement – Measures forward and reflected power with 10% accuracy.
• ✅ Compact & Lightweight – Perfect for field or portable setups, weighing very little while offering full ATU functionality.
• ✅ UHF Connector Interface – Standard UHF (SO-239) connector ensures compatibility with most radio equipment 🔌.

📊 Technical Specifications

⚡ Operating Notes

• ⚠️ Minimum tuning power is 5 watts — lower power may not initiate tuning.
• ⚠️ During tuning, keep transmit power below 30 watts to avoid damage. After tuning, up to 100 watts can be safely used.
• ⚠️ Requires 9–12V power input to operate. Power banks or low-voltage USB ports may not provide sufficient startup voltage.

🎒 What’s in the Box

• 📦 1 × RST-ATU Main Unit
• 🔌 1 × USB Type-C Cable
• 📖 1 × User Manual

🏕️ Perfect For

• 🌄 Portable HF / QRP Operation
• 🏠 Base Station or Shack Use
• 🚙 Mobile Installations
• 🧳 DXpeditions and Travel
• 🛰️ Amateur Radio Field Days and Portable Events

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